[llvm] 3a71510 - [RISCV] Fold argstr into class for XSMTVDot instructions. NFC.

[Jim Lin via llvm-commits]

Author: Jim Lin
Date: 2025-08-21T13:12:46+08:00
New Revision: 3a715107c2ce244081ae043b7006eaa704a13ab6

URL: https://github.com/llvm/llvm-project/commit/3a715107c2ce244081ae043b7006eaa704a13ab6
DIFF: https://github.com/llvm/llvm-project/commit/3a715107c2ce244081ae043b7006eaa704a13ab6.diff

LOG: [RISCV] Fold argstr into class for XSMTVDot instructions. NFC.

All of them use the same argstr "$vd, $vs1, $vs2".

Added: 
    

Modified: 
    llvm/lib/Target/RISCV/RISCVInstrInfoXSpacemiT.td

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/RISCV/RISCVInstrInfoXSpacemiT.td b/llvm/lib/Target/RISCV/RISCVInstrInfoXSpacemiT.td
index 7e98698d24177..0f9b795069b98 100644
--- a/llvm/lib/Target/RISCV/RISCVInstrInfoXSpacemiT.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfoXSpacemiT.td
@@ -60,8 +60,9 @@ def SMT_VDot_Slide3 : SMTVEncoding2<0b10>;
 
 let hasSideEffects = 0, mayLoad = 0, mayStore = 0 in {
 // Base vector dot product (no slide) format.
-class RVInstSMTVDot<SMTVEncoding2 sign, string opcodestr, string argstr>
-    : RVInst<(outs VRM2:$vd), (ins VR:$vs1, VR:$vs2), opcodestr, argstr, [], InstFormatR> {
+class RVInstSMTVDot<SMTVEncoding2 sign, string opcodestr>
+    : RVInst<(outs VRM2:$vd), (ins VR:$vs1, VR:$vs2), opcodestr,
+             "$vd, $vs1, $vs2", [], InstFormatR> {
   bits<5> vd;
   bits<5> vs1;
   bits<5> vs2;
@@ -77,8 +78,9 @@ class RVInstSMTVDot<SMTVEncoding2 sign, string opcodestr, string argstr>
 }
 
 // Sliding-window vector dot product format.
-class RVInstSMTVDotSlide<SMTVEncoding2 funct2, SMTVEncoding2 sign, string opcodestr, string argstr>
-    : RVInst<(outs VRM2:$vd), (ins VRM2:$vs1, VR:$vs2), opcodestr, argstr, [], InstFormatR> {
+class RVInstSMTVDotSlide<SMTVEncoding2 funct2, SMTVEncoding2 sign, string opcodestr>
+    : RVInst<(outs VRM2:$vd), (ins VRM2:$vs1, VR:$vs2), opcodestr,
+             "$vd, $vs1, $vs2", [], InstFormatR> {
   bits<5> vd;
   bits<5> vs1;
   bits<5> vs2;
@@ -104,10 +106,10 @@ let Predicates = [HasVendorXSMTVDot], ElementsDependOn = EltDepsVL in {
 // Base vector dot product (no slide) instructions
 // NOTE: Destination registers (vd) MUST be even-numbered (v0, v2, ..., v30)
 //       due to hardware alignment constraints. Using odd registers may cause undefined behavior.
-def SMT_VMADOT   : RVInstSMTVDot<SMT_VDot_SS, "smt.vmadot",   "$vd, $vs1, $vs2">;
-def SMT_VMADOTU  : RVInstSMTVDot<SMT_VDot_UU, "smt.vmadotu",  "$vd, $vs1, $vs2">;
-def SMT_VMADOTSU : RVInstSMTVDot<SMT_VDot_SU, "smt.vmadotsu", "$vd, $vs1, $vs2">;
-def SMT_VMADOTUS : RVInstSMTVDot<SMT_VDot_US, "smt.vmadotus", "$vd, $vs1, $vs2">;
+def SMT_VMADOT   : RVInstSMTVDot<SMT_VDot_SS, "smt.vmadot">;
+def SMT_VMADOTU  : RVInstSMTVDot<SMT_VDot_UU, "smt.vmadotu">;
+def SMT_VMADOTSU : RVInstSMTVDot<SMT_VDot_SU, "smt.vmadotsu">;
+def SMT_VMADOTUS : RVInstSMTVDot<SMT_VDot_US, "smt.vmadotus">;
 
 //===----------------------------------------------------------------------===//
 // Sliding-window Vector Dot Product Instructions
@@ -123,17 +125,17 @@ def SMT_VMADOTUS : RVInstSMTVDot<SMT_VDot_US, "smt.vmadotus", "$vd, $vs1, $vs2">
 // NOTE: Destination registers (vd) and first source register (vs1) MUST be
 //       even-numbered (v0, v2, ..., v30) due to hardware alignment constraints.
 //       Using odd registers may cause undefined behavior.
-def SMT_VMADOT1   : RVInstSMTVDotSlide<SMT_VDot_Slide1, SMT_VDot_SS, "smt.vmadot1",   "$vd, $vs1, $vs2">;
-def SMT_VMADOT1U  : RVInstSMTVDotSlide<SMT_VDot_Slide1, SMT_VDot_UU, "smt.vmadot1u",  "$vd, $vs1, $vs2">;
-def SMT_VMADOT1SU : RVInstSMTVDotSlide<SMT_VDot_Slide1, SMT_VDot_SU, "smt.vmadot1su", "$vd, $vs1, $vs2">;
-def SMT_VMADOT1US : RVInstSMTVDotSlide<SMT_VDot_Slide1, SMT_VDot_US, "smt.vmadot1us", "$vd, $vs1, $vs2">;
-def SMT_VMADOT2   : RVInstSMTVDotSlide<SMT_VDot_Slide2, SMT_VDot_SS, "smt.vmadot2",   "$vd, $vs1, $vs2">;
-def SMT_VMADOT2U  : RVInstSMTVDotSlide<SMT_VDot_Slide2, SMT_VDot_UU, "smt.vmadot2u",  "$vd, $vs1, $vs2">;
-def SMT_VMADOT2SU : RVInstSMTVDotSlide<SMT_VDot_Slide2, SMT_VDot_SU, "smt.vmadot2su", "$vd, $vs1, $vs2">;
-def SMT_VMADOT2US : RVInstSMTVDotSlide<SMT_VDot_Slide2, SMT_VDot_US, "smt.vmadot2us", "$vd, $vs1, $vs2">;
-def SMT_VMADOT3   : RVInstSMTVDotSlide<SMT_VDot_Slide3, SMT_VDot_SS, "smt.vmadot3",   "$vd, $vs1, $vs2">;
-def SMT_VMADOT3U  : RVInstSMTVDotSlide<SMT_VDot_Slide3, SMT_VDot_UU, "smt.vmadot3u",  "$vd, $vs1, $vs2">;
-def SMT_VMADOT3SU : RVInstSMTVDotSlide<SMT_VDot_Slide3, SMT_VDot_SU, "smt.vmadot3su", "$vd, $vs1, $vs2">;
-def SMT_VMADOT3US : RVInstSMTVDotSlide<SMT_VDot_Slide3, SMT_VDot_US, "smt.vmadot3us", "$vd, $vs1, $vs2">;
+def SMT_VMADOT1   : RVInstSMTVDotSlide<SMT_VDot_Slide1, SMT_VDot_SS, "smt.vmadot1">;
+def SMT_VMADOT1U  : RVInstSMTVDotSlide<SMT_VDot_Slide1, SMT_VDot_UU, "smt.vmadot1u">;
+def SMT_VMADOT1SU : RVInstSMTVDotSlide<SMT_VDot_Slide1, SMT_VDot_SU, "smt.vmadot1su">;
+def SMT_VMADOT1US : RVInstSMTVDotSlide<SMT_VDot_Slide1, SMT_VDot_US, "smt.vmadot1us">;
+def SMT_VMADOT2   : RVInstSMTVDotSlide<SMT_VDot_Slide2, SMT_VDot_SS, "smt.vmadot2">;
+def SMT_VMADOT2U  : RVInstSMTVDotSlide<SMT_VDot_Slide2, SMT_VDot_UU, "smt.vmadot2u">;
+def SMT_VMADOT2SU : RVInstSMTVDotSlide<SMT_VDot_Slide2, SMT_VDot_SU, "smt.vmadot2su">;
+def SMT_VMADOT2US : RVInstSMTVDotSlide<SMT_VDot_Slide2, SMT_VDot_US, "smt.vmadot2us">;
+def SMT_VMADOT3   : RVInstSMTVDotSlide<SMT_VDot_Slide3, SMT_VDot_SS, "smt.vmadot3">;
+def SMT_VMADOT3U  : RVInstSMTVDotSlide<SMT_VDot_Slide3, SMT_VDot_UU, "smt.vmadot3u">;
+def SMT_VMADOT3SU : RVInstSMTVDotSlide<SMT_VDot_Slide3, SMT_VDot_SU, "smt.vmadot3su">;
+def SMT_VMADOT3US : RVInstSMTVDotSlide<SMT_VDot_Slide3, SMT_VDot_US, "smt.vmadot3us">;
 }
 } // DecoderNamespace = "XSMT"